Matrix multiplication as composition | Essence of linear algebra, chapter 4 Matrix multiplication as composition | Essence of linear algebra, chapter 4 begin-post-stats 3Blue1Brown • 410K views end-post-stats begin-duration 10:04 end-duration Math topics: _Abstract_algebra_##Abstract algebra##_1_(number)_##1 (number)##_Associative_property_##Associative property##_Linear_map_##Linear map Other topics: _Physics_##Physics##_Euclidean_vector_##Euclidean vector##_Linearity_##Linearity##_Clockwise_##Clockwise##_Linear_algebra_##Linear algebra##_Linear_combination_##Linear combination##_Matrix_(mathematics)_##Matrix (mathematics)##_Basis_(linear_algebra)_##Basis (linear algebra)##_Rotation_matrix_##Rotation matrix##_Euclidean_geometry_##Euclidean geometry##_Rotation_##Rotation##_Euclidean_space_##Euclidean space##_Plane_(geometry)_##Plane (geometry) video-id: XkY2DOUCWMU channel_3Blue1Brown_ So What Learning Abstract algebra , Euclidean geometry , Linear algebra , Physics Monday, January 22, 2018 Share Share